Home / 90,472.80-124,875.36-58,229.28

Finding the Fourth Proportional to 90,472.80, 124,875.36 and 58,229.28

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Solution

The fourth proportional to 90,472.80, 124,875.36 and 58,229.28 is: 80,371.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,472.80 : 124,875.36 = 58,229.28 : x
  2. Step 2: Convert to fraction form
    90,472.80/124,875.36 = 58,229.28/x
  3. Step 3: Cross multiply
    90,472.80x = 124,875.36 × 58,229.28
  4. Step 4: Simplify right side
    90,472.80x = 7,271,402,302.54
  5. Step 5: Solve for x
    x = 7,271,402,302.54/90,472.80
  6. Step 6: Final answer
    x = 80,371.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.